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The degree of HBV suppression with 24 week telbivudine- or lamivudine-treatment in hepatitis B patients predicts the efficacy of the treatment at week 52 / 中华肝脏病杂志
Chinese Journal of Hepatology ; (12): 342-345, 2007.
Artículo en Chino | WPRIM | ID: wpr-230601
ABSTRACT
<p><b>OBJECTIVES</b>To investigate the possibilities of an association between the degrees of HBV suppression with nucleoside treatments at week 24 and week 52 in hepatitis B patients and to find a useful predictor for treatment efficacy.</p><p><b>METHODS</b>In this phase III, double-blind, multicenter trial, we compared the efficacy of telbivudine treatment with lamivudine treatment in 332 Chinese compensated chronic hepatitis B patients. The patients were randomly assigned to a daily 600 mg telbivudine treatment group or daily 100 mg lamivudine group for 24 weeks. They were then categorized into 4 groups according to their serum HBV DNA levels (copies/ml) at week 24 a PCR-undetectable group (< 300 copies/ml); a QL- < 10(3) copies/ml group; a 10(3)-<10(4) copies/ml group; and a > or = 10(4) copies/ml group. The treatments were continued as they previously had been for another 28 weeks and the patients serum HBV DNA levels were examined again.</p><p><b>RESULTS</b>At week 52, mean reductions of serum HBV DNA were significantly greater in the telbivudine-treated patients than in the lamivudine-treated group (6.2 log10 vs 5.4 log10, t = 3.6, P < 0.01). Viral resistance was twice as common in lamivudine-treated patients compared to those receiving telbivudine. Telbivudine was well-tolerated with an adverse event profile similar to that of lamivudine. The lower the HBV DNA level achieved at week 24, the higher HBV DNA non-detectable by PCR. ALT normalization and HBeAg seroconversion achieved at week 52, and viral resistance at week 48 decreased parallel to the degree of HBV DNA inhibition.</p><p><b>CONCLUSION</b>HBV DNA PCR-undetectable at week 24 in nucleoside-treated hepatitis B patients suggests a better efficacy at week 52 and lower viral resistance at week 48. The degree of suppression of HBV at week 24 may be used as a predictor of 1-year outcome.</p>
Asunto(s)
Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Antivirales / Pirimidinonas / Timidina / Sangre / ADN Viral / Método Doble Ciego / Resultado del Tratamiento / Lamivudine / Hepatitis B Crónica / Usos Terapéuticos Tipo de estudio: Ensayo Clínico Controlado / Estudio pronóstico Límite: Adolescente / Adulto / Anciano / Femenino / Humanos / Masculino Idioma: Chino Revista: Chinese Journal of Hepatology Año: 2007 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Antivirales / Pirimidinonas / Timidina / Sangre / ADN Viral / Método Doble Ciego / Resultado del Tratamiento / Lamivudine / Hepatitis B Crónica / Usos Terapéuticos Tipo de estudio: Ensayo Clínico Controlado / Estudio pronóstico Límite: Adolescente / Adulto / Anciano / Femenino / Humanos / Masculino Idioma: Chino Revista: Chinese Journal of Hepatology Año: 2007 Tipo del documento: Artículo